Page 620 - MODUL SPEKTRUM FIZIK SPM

6. 2 Refraction of waves (SPM 2013) / Pembiasan
Inference / Inferens:
Hypothesis / Hipotesis:
Aim / Tujuan eksperimen:
Variables/
Pembolehubah:
Apparatus / Radas dan bahan: D.c. power supply, ripple tank and accessories, lamp, metre rule, white
Arrangement of apparatus /
Susunan radas:
Procedure / Prosedur :
Tabulate data/
Penjadualan Data:
Analyze data/ Analisa data:
Depth affects wavelength
Kedalaman mempengaruhi panjang gelombang
Depth increases, wavelength increases
Semakin bertambah kedalaman, semakin bertambah panjang
gelombang
To investigate the relationship between depth and wavelength
Untuk mengkaji hubungan antara kedalaman dan
panjang gelombang,λ.
Manipulated/dimanipulasi : depth /kedalaman, h
Responding / bergerak balas: wavelength / panjang gelombang, λ
Fixed/ Malar : frequency/ frekuensi
paper, 5 pieces of perspects/glass, stroboscope, water.
Tangki riak, bekalan kuasa at. Lampu, pembaris meter, air, 5 kepingan
kaca, stroboskop, kertas putih.
• Then put one piece of Perspex in the ripple tank
• The current was switched on.
• Mark the position of wave on the white paper as seen
through the stroboscope
• Measure the wavelength
• Repeat the experiment for different depth by putting 2, 3, 4 and
5 pieces of Perspex on top of the previous Perspex in the
ripple tank.
No. of Perspex/ λ/cm
Bil kepingan kaca
1
2
3
4
5
Plot graph λ against no of Perspex
Lukis graf λ lawan bil kepingan kaca
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